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A good breakfast is important. You can easily understand it. By breakfast time you have not eaten anything about twelve hours. Your body needs food for morning activities (活动). One good breakfast should be rice or bread, an egg, milk and fruit. On a cold morning a cup of hot drinks is necessary (必需的). A good breakfast helps you to smile more easily. It helps you to be more friendly and also to work better and play more happily. Your whole day will be more fun after you have enjoyed a good breakfast.
1．It's not very important to have a good breakfast.2．Food is needed in the morning because you have had nothing to eat for the whole night.
3．Only rice or bread will be a good breakfast.
4．On a cold morning a cup of hot drinks is necessary.
5．A good breakfast is helpful to you.
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
